Enhanced Corrosion Resistance of Recycled Aluminum Alloy 6061 Chips Using Hot Extrusion Followed by ECAP

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Description</td><td class="align_center">Hot extruded at 500°C</td><td class="align_center">ECAP-2 passes</td><td class="align_center">ECAP-4 passes</td><td class="align_center">ECAP-6 passes</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Relative density (%)</td><td class="align_center">99.6</td><td class="align_center">99.9</td><td class="align_center">99.9</td><td class="align_center">99.9</td></tr><tr><td class="align_left">Microhardness, Vickers</td><td class="align_center">41</td><td class="align_center">94.5</td><td class="align_center">103.5</td><td class="align_center">110</td></tr><tr><td class="align_left">Ultimate tensile strength (MPa)</td><td class="align_center">132.4</td><td class="align_center">288.5</td><td class="align_center">349</td><td class="align_center">403</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Effect of ECAP number of passes on the solid-state recycled aluminum alloy 6061 chips after an extrusion temperature of 500°C.</div>

Journal of Chemistry

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Table 3

Table 3: Enhanced Corrosion Resistance of Recycled Aluminum Alloy 6061 Chips Using Hot Extrusion Followed by ECAP 